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vigra/memory.hxx

00001 /************************************************************************/
00002 /*                                                                      */
00003 /*         Copyright 2002-2003 by Ullrich Koethe, Hans Meine            */
00004 /*       Cognitive Systems Group, University of Hamburg, Germany        */
00005 /*                                                                      */
00006 /*    This file is part of the VIGRA computer vision library.           */
00007 /*    ( Version 1.6.0, Aug 13 2008 )                                    */
00008 /*    The VIGRA Website is                                              */
00009 /*        http://kogs-www.informatik.uni-hamburg.de/~koethe/vigra/      */
00010 /*    Please direct questions, bug reports, and contributions to        */
00011 /*        ullrich.koethe@iwr.uni-heidelberg.de    or                    */
00012 /*        vigra@informatik.uni-hamburg.de                               */
00013 /*                                                                      */
00014 /*    Permission is hereby granted, free of charge, to any person       */
00015 /*    obtaining a copy of this software and associated documentation    */
00016 /*    files (the "Software"), to deal in the Software without           */
00017 /*    restriction, including without limitation the rights to use,      */
00018 /*    copy, modify, merge, publish, distribute, sublicense, and/or      */
00019 /*    sell copies of the Software, and to permit persons to whom the    */
00020 /*    Software is furnished to do so, subject to the following          */
00021 /*    conditions:                                                       */
00022 /*                                                                      */
00023 /*    The above copyright notice and this permission notice shall be    */
00024 /*    included in all copies or substantial portions of the             */
00025 /*    Software.                                                         */
00026 /*                                                                      */
00027 /*    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND    */
00028 /*    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES   */
00029 /*    OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND          */
00030 /*    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT       */
00031 /*    HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,      */
00032 /*    WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING      */
00033 /*    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR     */
00034 /*    OTHER DEALINGS IN THE SOFTWARE.                                   */                
00035 /*                                                                      */
00036 /************************************************************************/
00037 
00038 #ifndef VIGRA_MEMORY_HXX
00039 #define VIGRA_MEMORY_HXX
00040 
00041 #include "metaprogramming.hxx"
00042 
00043 namespace vigra { namespace detail {
00044 
00045 template <class T>
00046 inline void destroy_n(T * /* p */, int /* n */, VigraTrueType /* isPOD */)
00047 {
00048 }
00049 
00050 template <class T>
00051 inline void destroy_n(T * p, int n, VigraFalseType /* isPOD */)
00052 {
00053     T * end = p + n;
00054     for(; p != end; ++p)
00055         p->~T();
00056 }
00057 
00058 template <class T>
00059 inline void destroy_n(T * p, int n)
00060 {
00061     destroy_n(p, n, typename TypeTraits<T>::isPOD());
00062 }
00063 
00064 /********************************************************************/
00065 
00066 // g++ 2.95 has std::destroy() in the STL
00067 #if !defined(__GNUC__) ||  __GNUC__ >= 3
00068 
00069 template <class T>
00070 inline void destroy(T * p, VigraTrueType /* isPOD */)
00071 {
00072 }
00073 
00074 template <class T>
00075 inline void destroy(T * p, VigraFalseType /* isPOD */)
00076 {
00077     p->~T();
00078 }
00079 
00080 template <class T>
00081 inline void destroy(T * p)
00082 {
00083     destroy(p, typename TypeTraits<T>::isPOD());
00084 }
00085 
00086 #else
00087 
00088 } } // namespace vigra::detail
00089 
00090 #include <memory>
00091 
00092 namespace vigra { namespace detail {
00093 
00094 using std::destroy;
00095 
00096 #endif
00097 
00098 } } // namespace vigra::detail
00099 
00100 #endif // VIGRA_MEMORY_HXX

© Ullrich Köthe (ullrich.koethe@iwr.uni-heidelberg.de)
Heidelberg Collaboratory for Image Processing, University of Heidelberg, Germany

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VIGRA 1.6.0 (13 Aug 2008)